Question

Ernesto saves $5.25 every week about how many weeks will take Ernesto to save $315

Answer 1

60 weeks or 15 months.

Explanation:

y = mx + b

315 = 5.25x + 0

Divide 315 by 5.25 and you get 60, so 60 weeks or 15 months. Check by plugging it into the equation.

315 = 5.25(60) + 0

315 = 5.25(60)

315 = 315

Answer 2

It will take 60 weeks for Ernesto to save $315